Block Listing Interim Review

Name of applicant:

Tullow Oil plc

Name of scheme:

1)   Tullow Oil Employee Share Award Plan ('ESAP')

2)   Tullow Oil Tullow Incentive Plan ('TIP')

Period of return:

From:

1 January 2026

To:

30 June 2026

Balance of unallotted securities under scheme(s) from previous return:

1)  12,359,565- ESAP

2)  11,641,215 - TIP

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

1)   8,000,000 - ESAP

2)   10,000,000 - TIP

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

1)   7,604,669 - ESAP

2)   11,084,876 - TIP

Equals:  Balance under scheme(s) not yet issued/allotted at end of period:

1)   12,754,896 - ESAP

2)   10,556,339 - TIP

Name of contact:

Mel Folahan

Contact:

companysecretary@tullowoil.com